Publication: IOT-BASED EARTHQUAKE WARNING SYSTEM DEVELOPMENT AND EVALUATION
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Inthisstudyalowcostearthquakewarningsystemhasbeendevelopedthatwilldetectnon-destructiveforeshocks.ThedevelopedsystemisanIOTapplicationwhereobjectscommunicatewitheachother.Arduinomegawasusedasthemicrocontrollerinthesystem.Thepurposeofdevelopingearthquakewarningsystemistoannouncetheinformationaboutthebeginningandendoftheearthquakeattheinstantofearthquakeasatweetintweeterandtogiveaudiblealertforthepersonsintheenvironment.IMUandpiezovibrationsensorswereusedtodetectthevibrationsatthemomentoftheearthquake.Also,ESP8266Wi-Fimodulewasincludedinthesystemforthesystemtoconnecttotheinternet.ThesystemevaluatesthedatafromIMUandvibrationsensorstodetecttheearthquake.ForIMUsensor,dataisevaluatedintwoaxes;namelyxandy.ıfthechangeinx-ory-axisisequaltoorgreaterthan10orthedatafromvibrationsensorisgreaterthan694thentheearthquakewarningsystemistriggered.AsaresultofthistriggeringthesystemconnectstointernetviaWiFimodule,atweetissenttoinformthattheearthquakehasstartedandaudiblealertisgivenlocally.ThingSpeakIoTanalyticsplatformisusedforthesystemtopsendtweet.Whenthesystemistriggered,necessarydataissenttotheThingSpeakplatformandtweetissentthroughthisplatform.Also,system’ssensitivitythresholdvaluescanbechangedandadjusted.Accordingtotheresultsofreal-timeoperation,ithasbeendeterminedthatthedevelopedsystemcandetecttheearthquakesuccessfullyandsensitivelyandprovideaudiblealertandsendtweetforwarning.
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Karaci, A. (2018). IOT-BASED EARTHQUAKE WARNING SYSTEM DEVELOPMENT AND EVALUATION. Mugla Journal of Science and Technology, 4(2), 156-161